3B81.50

ICD-11 MMS 2026-01

Pseudocyst of spleen

Description

A disease caused by determinants arising after birth, during the antenatal period or by genetically inherited factors. This disease is characterised by a noncancerous fluid-filled sac, pseudocysts are like cysts, but lack epithelial or endothelial cells. This disease is often asymptomatic but may present with abdominal pain, nausea and vomiting. Confirmation is through medical imaging.

Index terms

  • Pseudocyst of spleen

Exclusions from above levels

  • 04 – Diseases of the immune system
  • 05 – Endocrine, nutritional or metabolic diseases
  • 18 – Complications of pregnancy, childbirth or the puerperium
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  • 19 – Certain conditions originating in the perinatal period
  • 20 – Congenital malformations, deformations or chromosomal abnormalities
  • 22 – Injury, poisoning or certain other consequences of external causes
  • http://id.who.int/icd/entity/1000704511 – Human immunodeficiency virus disease
  • JB64.1 – Other diseases of the blood or blood-forming organs or certain disorders involving the immune mechanism complicating pregnancy, childbirth or the puerperium

Sibling codes

  • 3B81.51 – Epithelial cyst of spleen
  • 3B81.5Y – Other specified splenic cyst
  • 3B81.5Z – Splenic cyst, unspecified

Foundation entity

Pseudocyst of spleen – http://id.who.int/icd/entity/703716809

Part of: 3B81.5: Splenic cyst or pseudocyst › 3B81: Acquired disorders of spleen › 03: Diseases of the blood or blood-forming organs